Blue Nile partner with diamond and jewelry merchants worldwide to get the finest quality merchandise at the very best prices. Then they pass the savings on to you, so you can buy a more beautiful diamond or piece of jewelry. In fact, you'll find Blue Nile prices are as much as 20Ė40% below traditional jewelry retailers. All Blue Nile diamond jewelry features near-colorless (I-grade color) with eye-clean clarity (SI-grade clarity). This standard applies to all Blue Nile diamond jewelry, even pieces with the smallest diamonds.